Home / 10,412.84-15,608.28-7,125.04

Finding the Fourth Proportional to 10,412.84, 15,608.28 and 7,125.04

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Solution

The fourth proportional to 10,412.84, 15,608.28 and 7,125.04 is: 10,680.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,412.84 : 15,608.28 = 7,125.04 : x
  2. Step 2: Convert to fraction form
    10,412.84/15,608.28 = 7,125.04/x
  3. Step 3: Cross multiply
    10,412.84x = 15,608.28 × 7,125.04
  4. Step 4: Simplify right side
    10,412.84x = 111,209,619.33
  5. Step 5: Solve for x
    x = 111,209,619.33/10,412.84
  6. Step 6: Final answer
    x = 10,680.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.